UI React - Senior Engineer

📍 Job Overview

Job Title: UI React - Senior Engineer

Company: Iris Software

Location: Noida, Uttar Pradesh, India

Job Type: Full-Time

Category: Frontend Engineering / Software Development

Date Posted: 2026-08-11

Experience Level: Senior (6-8 Years)

Remote Status: On-site

🚀 Role Summary

• Design, develop, and deliver scalable React enterprise applications, focusing on robust frontend architecture and integration strategies.

• Drive the implementation of reusable React components, React Hooks, and advanced state management solutions using Redux and TanStack Query.

• Lead efforts in performance optimization, CI/CD pipeline enhancements, and deployment automation to ensure operational efficiency and stability.

• Conduct thorough code reviews, mentor junior engineers, and collaborate with cross-functional teams to ensure high-quality, secure, and maintainable software solutions.

• Troubleshoot production issues, perform root cause analysis, and implement sustainable fixes to maintain application performance and reliability.

📝 Enhancement Note: This role is for a Senior Engineer focused on the frontend, specifically within the React ecosystem, for enterprise-level applications. The emphasis on scalability, integration strategies, and operational efficiency suggests a role that bridges pure development with aspects of site reliability and robust application architecture.

📈 Primary Responsibilities

• Design and develop scalable React enterprise applications, aligning with business objectives and engineering best practices.

• Define API contracts, service boundaries, and integration strategies for distributed and enterprise-grade systems.

• Architect and implement reusable React component libraries and scalable frontend integration patterns.

• Drive the adoption and implementation of reusable React Hooks and component-driven architecture principles.

• Take ownership of the end-to-end delivery of assigned modules, from design and development through testing support and deployment readiness.

• Conduct comprehensive code reviews to ensure adherence to coding standards, security guidelines, and overall engineering best practices.

• Lead and implement Redux state management strategies across complex enterprise frontend applications.

• Champion improvements in CI/CD pipelines, logging, monitoring, and deployment automation to enhance operational efficiency.

• Perform detailed root cause analysis for production issues and performance bottlenecks, implementing robust and sustainable solutions.

• Implement TanStack Query (React Query) for optimized asynchronous data handling, caching, and efficient data synchronization.

📝 Enhancement Note: The responsibilities highlight a senior-level expectation for technical leadership, architectural contribution, and end-to-end ownership, extending beyond just coding to include system design, operational improvements, and team mentorship.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's or Master's degree in Computer Science, Engineering, or a related field is typically expected for senior engineering roles.

Experience: 6-8 years of professional experience in frontend development, with a significant focus on React-based applications.

Required Skills:

• Deep expertise in React and its core principles.

• Proficient in JavaScript (ES6+) and modern frontend development practices.

• Strong command of HTML5 and CSS3, including modern CSS features and responsive design.

• Extensive experience with React Hooks for functional component development.

• Experience with state management libraries, specifically Redux and TanStack Query (React Query).

• Proficiency in testing frameworks, particularly Jest for unit and integration testing.

• Experience with React Maps for data visualization or geospatial features.

• Demonstrated ability in React Performance Optimization techniques. Preferred Skills:

• Familiarity with Agentic AI Systems and their integration into frontend applications.

• Experience in defining and implementing API contracts and integration strategies for distributed systems.

• Knowledge of CI/CD pipelines, logging, and monitoring tools.

• Experience with frontend architecture design, including component-driven development.

📝 Enhancement Note: The mandatory skills list is very specific and comprehensive, indicating a need for candidates who have hands-on experience with the entire modern React stack and associated best practices. The mention of "Agentic AI Systems" as an additional skill suggests potential exposure to emerging AI technologies within the frontend context.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase complex React enterprise applications that demonstrate scalability, maintainability, and performance.

• Include examples of reusable component architecture, custom React Hooks, and advanced state management (Redux, TanStack Query).

• Present case studies detailing performance optimization efforts and their impact on application speed and user experience.

• Demonstrate experience in defining and implementing API contracts and integration strategies for distributed systems.

• Highlight contributions to CI/CD pipelines, testing frameworks (Jest), and deployment automation. Process Documentation:

• Document the design and architecture of significant React features or applications, including component breakdown and data flow.

• Illustrate workflow optimization strategies employed to improve development speed, testing efficiency, or application performance.

• Provide evidence of implementing and maintaining robust state management solutions, detailing decision-making processes for Redux vs. TanStack Query.

• Showcase examples of code review processes, including feedback provided and lessons learned for team improvement.

📝 Enhancement Note: For a senior role, a portfolio is crucial. It should not only display technical proficiency but also demonstrate architectural thinking, problem-solving capabilities, and an understanding of the full software development lifecycle, with a strong emphasis on production readiness and operational impact.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior React Engineers with 6-8 years of experience in Noida, India, a competitive salary range would be approximately ₹12,00,000 to ₹20,00,000 per annum. This estimate considers the company's stated growth and award-winning culture, implying a desire to attract top talent.

Benefits:

• Personalized career development plans tailored to individual growth trajectories.

• Continuous learning opportunities through training programs, workshops, and access to educational resources.

• Mentorship programs providing guidance from experienced professionals for skill enhancement and career advancement.

• World-class benefits package designed to support financial, health, and overall well-being.

• Opportunities to work on cutting-edge technologies and complex enterprise applications.

• Potential for growth within one of India's Top 25 Best Workplaces in the IT industry.

Working Hours: A standard full-time workweek, typically around 40 hours, with potential for flexibility depending on project needs and team collaboration. The on-site nature implies standard office hours.

📝 Enhancement Note: The salary range is an estimation based on typical compensation for this role and experience level in the specified region (Noida, India). It aims to be competitive, reflecting the company's positioning as a top employer. The provided benefits are directly extracted from the job description.

🎯 Team & Company Context

🏢 Company Culture

Industry: IT Services and Software Development, with a strong focus on enterprise client transformation across financial services, healthcare, transportation & logistics, and professional services.

Company Size: Over 4,300 associates across India, the U.S.A., and Canada, positioning it as a large and growing IT services firm.

Founded: While the founding date isn't provided, the company's description as one of the "fastest-growing IT services companies" and an award-winning workplace suggests a dynamic and established organization.

Team Structure:

• The operations team likely comprises specialized engineering groups focusing on different technology stacks and application domains.

• Reporting structure is expected to be hierarchical, with Senior Engineers potentially leading smaller feature teams or reporting to Engineering Managers or Directors.

• Cross-functional collaboration is a key aspect, involving close work with product managers, designers, QA engineers, and potentially DevOps/SRE teams. Methodology:

• Data-driven decision-making and analysis are implied through the focus on performance optimization, root cause analysis, and CI/CD improvements.

• Agile methodologies are likely employed for iterative development, planning, and delivery of features.

• Emphasis on engineering excellence, code quality, and continuous improvement in development processes.

Company Website: https://careers.irissoftware.com/

📝 Enhancement Note: Iris Software positions itself as a growth-oriented company with a strong emphasis on employee development and a positive work culture, evidenced by its awards and stated values. The company's scale suggests opportunities for diverse project experiences and potential career progression.

📈 Career & Growth Analysis

Operations Career Level: This role represents a Senior Engineer level within the frontend development track. It signifies a period of deep technical expertise, ownership of complex modules, and the beginning of mentorship responsibilities. The focus is on delivering high-quality, scalable solutions and contributing to architectural decisions.

Reporting Structure: The Senior Engineer will likely report to an Engineering Manager or a Technical Lead. They will be expected to collaborate closely with product owners, project managers, and other engineering teams (backend, QA, DevOps).

Operations Impact: While this is a frontend role, the impact extends significantly to the user experience, application performance, and the overall efficiency of development and deployment processes. By driving improvements in CI/CD, performance optimization, and code quality, this role directly contributes to faster delivery cycles, more reliable applications, and a better experience for both end-users and internal stakeholders. The mention of "Agentic AI Systems" could also indicate involvement in cutting-edge features that directly impact business value.

Growth Opportunities:

• Technical Specialization: Deepen expertise in advanced React patterns, state management, performance tuning, and potentially explore adjacent areas like backend integration or cloud-native frontend development.

• Leadership Development: Transition into roles such as Tech Lead, Engineering Manager, or Architect, involving greater responsibility for team guidance, project strategy, and technical direction.

• Cross-functional Exposure: Gain experience in diverse domains like financial services, healthcare, or logistics, and work with teams implementing complex enterprise solutions.

• Mentorship: Continue to hone leadership skills by mentoring junior engineers, contributing to team knowledge sharing, and driving engineering best practices.

📝 Enhancement Note: The role is positioned as a critical contributor with opportunities for both deep technical growth and leadership potential, aligning with Iris Software's "Build Your Future. Own Your Journey." ethos.

🌐 Work Environment

Office Type: The position is explicitly for an on-site role in Noida, indicating a traditional office-based work environment.

Office Location(s): Noida, Uttar Pradesh, India. This location is a significant IT hub in India, offering access to talent and infrastructure.

Workspace Context:

• The workspace is expected to be collaborative, fostering interaction among engineering teams, product managers, and other stakeholders.

• Access to modern development tools, technologies, and infrastructure necessary for enterprise-level application development.

• Opportunities for informal knowledge sharing and problem-solving sessions with peers and senior engineers.

Work Schedule: Standard full-time working hours, likely aligning with Indian business hours (e.g., 9 AM to 6 PM IST), with potential for flexibility to accommodate project deadlines or global team collaboration.

📝 Enhancement Note: The on-site requirement suggests a preference for in-person collaboration, team cohesion, and direct mentorship, which are often valued in dynamic IT environments.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or HR representative will likely review applications and conduct a brief screening call to assess basic qualifications, experience, and cultural fit.

• Technical Assessment: Expect a coding challenge or a technical interview focusing on React, JavaScript, data structures, algorithms, and problem-solving. This may involve live coding or a take-home assignment.

• Portfolio Review & Deep Dive: A discussion with the hiring manager or senior engineers where you present your portfolio. Be prepared to walk through specific projects, explain architectural decisions, and discuss technical challenges and solutions.

• Behavioral Interview: Questions assessing your collaboration skills, ownership, problem-solving approach, mentorship experience, and adaptability.

• Final Round: Potentially a discussion with higher-level management or a panel interview to evaluate overall fit and strategic thinking.

Portfolio Review Tips:

• Curate Select Projects: Choose 2-3 of your most impactful projects that best showcase your React expertise, architectural contributions, and problem-solving abilities.

• Highlight Key Responsibilities: For each project, clearly articulate your specific role, the challenges faced, the solutions implemented (especially regarding React Hooks, Redux, TanStack Query, performance), and the outcomes achieved.

• Quantify Impact: Whenever possible, use metrics to demonstrate the success of your work (e.g., "improved page load time by 30%", "reduced state management errors by 50%", "enabled X new feature functionality").

• Be Ready to Discuss Architecture: Prepare to explain your design choices, trade-offs considered, and how you ensured scalability, maintainability, and testability.

• Showcase Code Quality: Be ready to discuss your approach to code reviews, testing strategies, and adherence to best practices.

Challenge Preparation:

• Practice Core React Concepts: Thoroughly review React fundamentals, hooks, state management (Redux, Context API, TanStack Query), component lifecycle, and performance optimization.

• Algorithm and Data Structure Practice: Refresh your knowledge of common algorithms and data structures, as these are frequently tested in technical interviews.

• Problem-Solving Scenarios: Prepare for scenarios where you need to debug code, optimize performance, or design a feature from scratch. Think about how you would approach these problems systematically.

• Understand Company Context: Research Iris Software, their projects, and their culture. Be ready to explain why you are a good fit for their engineering environment.

📝 Enhancement Note: The interview process for a senior role typically involves rigorous technical evaluation and assessment of leadership potential. A well-prepared portfolio and strong articulation of problem-solving skills are essential.

🛠 Tools & Technology Stack

Primary Tools:

• React: The core framework for UI development.

• JavaScript (ES6+): Essential for modern frontend development.

• HTML5 & CSS3: For structuring and styling web applications.

• React Hooks: For managing component state and side effects.

• React Maps: For potential data visualization or geospatial features.

• Redux: For enterprise-level state management.

• TanStack Query (React Query): For efficient asynchronous data handling and caching.

• Jest: For unit and integration testing.

Analytics & Reporting:

• While not explicitly mentioned, expect tools for performance monitoring (e.g., Lighthouse, Web Vitals), potentially integrated with broader application performance monitoring (APM) tools.

• Experience with browser developer tools for debugging and performance analysis. CRM & Automation:

• Not directly relevant to this frontend role, but understanding how frontend applications integrate with backend systems and potentially business applications (like CRMs) is beneficial.

• Familiarity with CI/CD tools (e.g., Jenkins, GitLab CI, GitHub Actions) for deployment automation.

📝 Enhancement Note: The technology stack is heavily focused on the modern React ecosystem, emphasizing robust state management, efficient data handling, and comprehensive testing. Familiarity with AI system integration is a notable plus.

👥 Team Culture & Values

Operations Values:

• Technical Ownership: Demonstrating accountability for delivering complex development activities with high-quality execution and ownership.

• Engineering Excellence: Driving improvements through code reviews, automation, performance optimization, and defect prevention.

• Collaboration: Effectively working with cross-functional teams and business stakeholders for seamless delivery.

• Continuous Learning & Adaptability: Embracing evolving technologies and engineering practices through proactive learning.

• Problem-Solving: Applying strong analytical skills to resolve complex technical and production challenges.

• Attention to Detail: Maintaining high standards in architecture, code quality, security, and performance.

• Initiative: Driving reusable frameworks, automation, and process improvements.

• Business Alignment: Balancing technical excellence with business priorities to deliver scalable and maintainable solutions.

Collaboration Style:

• Cross-functional Integration: Working closely with product, design, and backend teams to ensure cohesive product development.

• Knowledge Sharing: Actively participating in code reviews, team discussions, and potentially mentoring junior developers to spread best practices.

• Feedback Exchange: Openness to receiving and providing constructive feedback to foster continuous improvement.

• Agile Teamwork: Participating in agile ceremonies and contributing to a team-oriented development process.

📝 Enhancement Note: Iris Software emphasizes a culture of ownership, technical excellence, and continuous improvement, fostering an environment where engineers are empowered to drive impact and grow their careers.

⚡ Challenges & Growth Opportunities

Challenges:

• Complex Enterprise Applications: Navigating and contributing to large-scale, mission-critical enterprise applications that demand high levels of reliability and scalability.

• Balancing Innovation with Stability: Integrating new technologies like Agentic AI Systems while maintaining the stability and performance of existing enterprise systems.

• Mentorship at Scale: Effectively mentoring a growing number of junior developers within a large organization.

• Keeping Pace with Technology: Continuously learning and adapting to the rapid evolution of the JavaScript and React ecosystems.

Learning & Development Opportunities:

• Advanced React Specialization: Deep dive into performance tuning, architectural patterns, and advanced state management techniques.

• Exposure to AI/ML Integration: Gain practical experience in integrating AI capabilities into frontend applications.

• Leadership Training: Opportunities to develop skills in team leadership, project management, and technical strategy.

• Industry Conferences & Certifications: Support for attending relevant tech conferences and pursuing certifications to enhance expertise.

• Cross-Domain Experience: Working on projects across various industries (financial services, healthcare, logistics) to broaden business understanding.

📝 Enhancement Note: The role presents opportunities to tackle complex technical challenges while benefiting from a structured growth path and exposure to emerging technologies, aligning with the company's commitment to employee development.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to optimize the performance of a React application. What tools did you use, what was your approach, and what were the results?" (Focus on React Performance Optimization, TanStack Query, root cause analysis).

• "How would you design a reusable component architecture for a large enterprise application? What principles would you follow, and how would you ensure scalability and maintainability?" (Focus on component architecture, React Hooks, API contracts).

• "Discuss your experience with Redux. When would you choose it over other state management solutions like Context API or TanStack Query, and how do you manage complex state logic?" (Focus on Redux, State Management, TanStack Query).

• "How do you approach code reviews to ensure quality and consistency across a team?" (Focus on code reviews, engineering best practices, mentorship). Company & Culture Questions:

• "Why are you interested in Iris Software and this specific role?" (Research company values, awards, and connect your aspirations to their mission).

• "How do you stay updated with the latest trends in frontend development, especially with React?" (Demonstrate continuous learning, mention specific resources/blogs/conferences).

• "Describe your experience working in an on-site, collaborative environment. How do you contribute to team success?" (Highlight collaboration, communication, and teamwork). Portfolio Presentation Strategy:

• Structure: Organize your presentation logically, starting with an overview of the project, your role, the challenges, your technical solutions, and the outcomes.

• Visuals: Use clear diagrams, screenshots, or even short demos to illustrate your points. Focus on the UI and the underlying architecture.

• Narrative: Tell a story about each project, emphasizing the problem you solved and the impact you made. Use the STAR method (Situation, Task, Action, Result) for case studies.

• Technical Depth: Be prepared to answer in-depth questions about your code, architectural decisions, and the trade-offs you made.

• Conciseness: Respect the interviewer's time; be thorough but also concise.

📝 Enhancement Note: Preparation should focus on demonstrating not just technical skill but also a strong understanding of engineering principles, problem-solving capabilities, and the ability to contribute positively to a collaborative team environment.

📌 Application Steps

To apply for this UI React - Senior Engineer position:

• Submit your application through the provided link on the Iris Software careers portal.

• Tailor Your Resume: Highlight your experience with React, JavaScript (ES6+), Redux, TanStack Query, React Hooks, Jest, and any experience with performance optimization or CI/CD. Quantify your achievements with specific metrics where possible.

• Prepare Your Portfolio: Curate 2-3 strong projects that showcase your senior-level React development skills, architectural contributions, and problem-solving abilities. Be ready to discuss them in detail, focusing on impact and technical decisions.

• Practice Interview Questions: Review common interview questions for senior frontend engineers, focusing on React concepts, system design, performance tuning, and behavioral scenarios. Practice articulating your thought process clearly.

• Research Iris Software: Understand their company culture, values, recent projects, and industry focus. Prepare to articulate why you are a good fit for their environment and how you can contribute to their goals.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.